Home / 823,558,051.12-1,136,505,980.16-447,211,277.02

Finding the Fourth Proportional to 823,558,051.12, 1,136,505,980.16 and 447,211,277.02

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Solution

The fourth proportional to 823,558,051.12, 1,136,505,980.16 and 447,211,277.02 is: 617,149,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,558,051.12 : 1,136,505,980.16 = 447,211,277.02 : x
  2. Step 2: Convert to fraction form
    823,558,051.12/1,136,505,980.16 = 447,211,277.02/x
  3. Step 3: Cross multiply
    823,558,051.12x = 1,136,505,980.16 × 447,211,277.02
  4. Step 4: Simplify right side
    823,558,051.12x = 508,258,290,728,220,416
  5. Step 5: Solve for x
    x = 508,258,290,728,220,416/823,558,051.12
  6. Step 6: Final answer
    x = 617,149,319.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.